| 1 |
On Tue, Nov 15, 2011 at 13:58, Jarry <mr.jarry@×××××.com> wrote: |
| 2 |
> Hi, |
| 3 |
> today I upgraded gcc from 4.4.5 to the last stable version |
| 4 |
> 4.5.3-r1. I followed "Gentoo GCC Upgrade Guide": |
| 5 |
> |
| 6 |
> # emerge -uav gcc |
| 7 |
> # gcc-config 2 |
| 8 |
> # env-update && source /etc/profile |
| 9 |
> # emerge --oneshot libtool |
| 10 |
> |
| 11 |
> # emerge --depclean |
| 12 |
> # revdep-rebuild |
| 13 |
> |
| 14 |
> But at the and I noticed gcc 4.4 has not been unmerged |
| 15 |
> and my "world" file is somehow larger. To my surprise, |
| 16 |
> it contains these lines: |
| 17 |
> |
| 18 |
> sys-devel/gcc |
| 19 |
> sys-devel/gcc:4.4 |
| 20 |
> |
| 21 |
> I did full backup before, so I compared world-file before |
| 22 |
> and after gcc-upgrade just to find out, these two lines |
| 23 |
> have been really inserted now, during gcc-upgrade. And my |
| 24 |
> question is: what does it mean? Does my system need now |
| 25 |
> both gcc 4.4 and 4.5? Why is actually gcc in world-file, |
| 26 |
> when it is part of system? |
| 27 |
> |
| 28 |
|
| 29 |
Because your forgot the -1 / --oneshot flag when manually upgrading gcc. |
| 30 |
However, in system, multiple gcc slots do not exist, so if you need gcc:4.4 for |
| 31 |
backwards compatibility or gcc:4.6 for forwards compatibility, it'll show up in |
| 32 |
your world file. |
Archives